<template>
	<div class="my-tab-bar">
		<div class="tab-item" 
		v-for="(item, index) in arr" :key="index"
		@click="on(index, item.componentName)"
		:class="{current: active === index}"
		>
			<!-- 图标 -->
			<span class="iconfont" :class="item.iconText"></span>
			<!-- 文字 -->
			<span> {{ item.text }} </span>
		</div>
	</div>
</template>

<script>
	export default {
			props:{
				arr:Array
			},
			data () {
				return {
					active: 0
				}
			},
			methods: {
				on(index, comName){
						this.active = index
						this.$emit("change", comName)
				}
			}

	}
</script>

<style lang="less" scoped>
	.my-tab-bar {
		position: fixed;
		left: 0;
		bottom: 0;
		width: 100%;
		height: 50px;
		border-top: 1px solid #ccc;
		display: flex;
		justify-content: space-around;
		align-items: center;
		background-color: white;

		.tab-item {
			display: flex;
			flex-direction: column;
			align-items: center;
		}
	}

	.current {
		color: #1d7bff;
	}
</style>
